Home / 34,535.71-47,659.20-19,428.38

Finding the Fourth Proportional to 34,535.71, 47,659.20 and 19,428.38

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Solution

The fourth proportional to 34,535.71, 47,659.20 and 19,428.38 is: 26,811.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,535.71 : 47,659.20 = 19,428.38 : x
  2. Step 2: Convert to fraction form
    34,535.71/47,659.20 = 19,428.38/x
  3. Step 3: Cross multiply
    34,535.71x = 47,659.20 × 19,428.38
  4. Step 4: Simplify right side
    34,535.71x = 925,940,809.80
  5. Step 5: Solve for x
    x = 925,940,809.80/34,535.71
  6. Step 6: Final answer
    x = 26,811.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.